Question

(12-sqrt-4)+(7+sqrt-9)

Answer 1

\[(12-\sqrt{-4})+(7+\sqrt{-9})\]

Answer 2

Remember, \( \sqrt{-a} = i\sqrt a\)

Answer 3

Do that then combine like terms.

Answer 4

Don't forgot to simply.

Answer 5

\[2\sqrt{3}-2i+7+3i\]

Answer 6

oh its 12+7=19

Answer 7

19+i

Answer 8

Yep.